The Attenuator,variable, cataloged under National Stock Number 5985-00-239-6120, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-239-6120 |
| Primary Part Number | CN1294U |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Joint Electronics Type Designation System |
| Status | ACTIVE |
| Coaxial Connector Series Designation | BNC |
| Body Style | CYLINDRICAL W/ADJUSTMENT KNOB |
| Attenuation Accuracy Reference Frequency | 400.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -2.50 TO 2.50 |
| Voltage Standing Wave Ratio | 1.30 |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, MALE |
| Step Position Quantity | 5 |
| Attenuation Variation Method | STEPPED |
| Overall Attenuation Range in Decibels | +0.0 TO 50.0 |
| Power Rating | 1.0 WATTS AVERAGE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 900.000 MEGAHERTZ MAXIMUM |
| Adjustment Device Type and Quantity | 1 KNOB |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.2 |
| Attenuation Per Step in Decibels | 10.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-00-239-6120 is a Attenuator,variable, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-239-6120 has 2 cross-referenced part numbers: 192-407 (Cmc Electronics Inc), CN1294U (Joint Electronics Type Designation System).
There are 2 known substitutes for 5985-00-239-6120: 5360-00-900-2564, 5305-01-346-3692. Verify interchangeability with system specifications before substitution.
Key specifications for CN1294U: Coaxial Connector Series Designation: BNC; Body Style: CYLINDRICAL W/ADJUSTMENT KNOB; Attenuation Accuracy Reference Frequency: 400.0 MEGAHERTZ; Application Design: TRANSMISSION LINE. 20 total characteristics are documented in the Federal Logistics Information System.